HG Special Shape Diamond File (Square Last Bends) Gundam Series_Iron Blooded Orphans Bandai used their color injection

Bandai used their color injection molding technology to create this model kit

it is easy to hold the smaller parts etc

left fist 1

or other plastic models

various hand parts

HG Special Shape Diamond File (Square Last Bends) Gundam Series_Iron Blooded Orphans Bandai used their color injectionIt is a diamond file that processed the tip into a special shape. With traditional bar sanding you can polish work in a deep place that is hard to reach. Also, diamond file is different from ordinary iron file, there is no file eye (polishing direction). It can be polished by freely moving it like a sandpaper, which is convenient for polishing small parts.